Medium
Discourse allows iframe injection though default site setting
Type: advisorySources: OSV
Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-39320
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 20:09 UTC · Revision 1
Source evidence
Discourse allows iframe injection though default site setting
core-osv · Original sourcePublished 30 Jul 2024, 14:33 UTC
Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.
osv:CVE-2024-39320
Complete source record
{
"id": "a271e848cfa49ed58450fb1e0e148c40b6f3b304abfe019fe4b8d715a3c6c3a6",
"url": "https://osv.dev/vulnerability/CVE-2024-39320",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Discourse allows iframe injection though default site setting",
"summary": "Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, the vulnerability allows an attacker to inject iframes from any domain, bypassing the intended restrictions enforced by the allowed_iframes setting. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.",
"evidence": "osv:CVE-2024-39320",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-39320",
"aliases": [
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"CVE-2024-39320",
"GHSA-4p82-xh38-gq4p"
],
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
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],
"modified": "2026-10-28T02:30:39.063818745Z",
"provider": "osv",
"references": [
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"https://github.com/discourse/discourse/security/advisories/GHSA-4p82-xh38-gq4p",
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"source_id": "core-osv",
"document_id": 506515,
"published_at": "2024-07-30T14:33:48.589+00:00"
}